Finding the Fourth Proportional to 864,061,222.34, 1,192,276,215.72 and 524,793,149.16

Step by Step Solution

1. Step 1: Write the proportion equation
   864,061,222.34 : 1,192,276,215.72 = 524,793,149.16 : x
2. Step 2: Convert to fraction form
   864,061,222.34/1,192,276,215.72 = 524,793,149.16/x
3. Step 3: Cross multiply
   864,061,222.34x = 1,192,276,215.72 × 524,793,149.16
4. Step 4: Simplify right side
   864,061,222.34x = 625,698,389,916,266,368
5. Step 5: Solve for x
   x = 625,698,389,916,266,368/864,061,222.34
6. Step 6: Final answer
   x = 724,136,639.56