Finding the Fourth Proportional to 12,008,249,843.83, 18,008,748,303.69 and 3,611,926,565.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,008,249,843.83 : 18,008,748,303.69 = 3,611,926,565.16 : x
2. Step 2: Convert to fraction form
   12,008,249,843.83/18,008,748,303.69 = 3,611,926,565.16/x
3. Step 3: Cross multiply
   12,008,249,843.83x = 18,008,748,303.69 × 3,611,926,565.16
4. Step 4: Simplify right side
   12,008,249,843.83x = 65,046,276,403,269,902,336
5. Step 5: Solve for x
   x = 65,046,276,403,269,902,336/12,008,249,843.83
6. Step 6: Final answer
   x = 5,416,799,054.75