Finding the Fourth Proportional to 168,773,895.72, 253,170,641.34 and 65,143,688.04

Step by Step Solution

1. Step 1: Write the proportion equation
   168,773,895.72 : 253,170,641.34 = 65,143,688.04 : x
2. Step 2: Convert to fraction form
   168,773,895.72/253,170,641.34 = 65,143,688.04/x
3. Step 3: Cross multiply
   168,773,895.72x = 253,170,641.34 × 65,143,688.04
4. Step 4: Simplify right side
   168,773,895.72x = 16,492,469,280,339,688
5. Step 5: Solve for x
   x = 16,492,469,280,339,688/168,773,895.72
6. Step 6: Final answer
   x = 97,719,313.82