Finding the Fourth Proportional to 109,290,099.72, 150,820,484.58 and 62,879,422.80

Step by Step Solution

1. Step 1: Write the proportion equation
   109,290,099.72 : 150,820,484.58 = 62,879,422.80 : x
2. Step 2: Convert to fraction form
   109,290,099.72/150,820,484.58 = 62,879,422.80/x
3. Step 3: Cross multiply
   109,290,099.72x = 150,820,484.58 × 62,879,422.80
4. Step 4: Simplify right side
   109,290,099.72x = 9,483,505,016,806,700
5. Step 5: Solve for x
   x = 9,483,505,016,806,700/109,290,099.72
6. Step 6: Final answer
   x = 86,773,688.02