Finding the Fourth Proportional to 83,053,140.90, 124,567,901.55 and 28,468,245.30

Step by Step Solution

1. Step 1: Write the proportion equation
   83,053,140.90 : 124,567,901.55 = 28,468,245.30 : x
2. Step 2: Convert to fraction form
   83,053,140.90/124,567,901.55 = 28,468,245.30/x
3. Step 3: Cross multiply
   83,053,140.90x = 124,567,901.55 × 28,468,245.30
4. Step 4: Simplify right side
   83,053,140.90x = 3,546,229,577,831,650
5. Step 5: Solve for x
   x = 3,546,229,577,831,650/83,053,140.90
6. Step 6: Final answer
   x = 42,698,319.89