Finding the Fourth Proportional to 52,360,553.72, 72,256,874.82 and 28,838,638.64

Step by Step Solution

1. Step 1: Write the proportion equation
   52,360,553.72 : 72,256,874.82 = 28,838,638.64 : x
2. Step 2: Convert to fraction form
   52,360,553.72/72,256,874.82 = 28,838,638.64/x
3. Step 3: Cross multiply
   52,360,553.72x = 72,256,874.82 × 28,838,638.64
4. Step 4: Simplify right side
   52,360,553.72x = 2,083,789,902,189,695
5. Step 5: Solve for x
   x = 2,083,789,902,189,695/52,360,553.72
6. Step 6: Final answer
   x = 39,796,941.67