Finding the Fourth Proportional to 124,200,245.10, 171,280,080.72 and 98,156,979.30

Step by Step Solution

1. Step 1: Write the proportion equation
   124,200,245.10 : 171,280,080.72 = 98,156,979.30 : x
2. Step 2: Convert to fraction form
   124,200,245.10/171,280,080.72 = 98,156,979.30/x
3. Step 3: Cross multiply
   124,200,245.10x = 171,280,080.72 × 98,156,979.30
4. Step 4: Simplify right side
   124,200,245.10x = 16,812,335,337,735,368
5. Step 5: Solve for x
   x = 16,812,335,337,735,368/124,200,245.10
6. Step 6: Final answer
   x = 135,364,751.69