Finding the Fourth Proportional to 137,483,854.91, 189,731,315.61 and 74,763,621.15

Step by Step Solution

1. Step 1: Write the proportion equation
   137,483,854.91 : 189,731,315.61 = 74,763,621.15 : x
2. Step 2: Convert to fraction form
   137,483,854.91/189,731,315.61 = 74,763,621.15/x
3. Step 3: Cross multiply
   137,483,854.91x = 189,731,315.61 × 74,763,621.15
4. Step 4: Simplify right side
   137,483,854.91x = 14,185,000,200,557,124
5. Step 5: Solve for x
   x = 14,185,000,200,557,124/137,483,854.91
6. Step 6: Final answer
   x = 103,175,752.60