Finding the Fourth Proportional to 12,300,854.90, 18,451,282.35 and 5,909,566.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,300,854.90 : 18,451,282.35 = 5,909,566.10 : x
2. Step 2: Convert to fraction form
   12,300,854.90/18,451,282.35 = 5,909,566.10/x
3. Step 3: Cross multiply
   12,300,854.90x = 18,451,282.35 × 5,909,566.10
4. Step 4: Simplify right side
   12,300,854.90x = 109,039,072,677,088.34
5. Step 5: Solve for x
   x = 109,039,072,677,088.34/12,300,854.90
6. Step 6: Final answer
   x = 8,864,349.15