Finding the Fourth Proportional to 90,281,468.88, 135,404,569.62 and 28,854,150.12

Step by Step Solution

1. Step 1: Write the proportion equation
   90,281,468.88 : 135,404,569.62 = 28,854,150.12 : x
2. Step 2: Convert to fraction form
   90,281,468.88/135,404,569.62 = 28,854,150.12/x
3. Step 3: Cross multiply
   90,281,468.88x = 135,404,569.62 × 28,854,150.12
4. Step 4: Simplify right side
   90,281,468.88x = 3,906,983,778,749,471.50
5. Step 5: Solve for x
   x = 3,906,983,778,749,471.50/90,281,468.88
6. Step 6: Final answer
   x = 43,275,589.41