Finding the Fourth Proportional to 21,537,422.56, 32,299,143.54 and 7,156,630.72

Step by Step Solution

1. Step 1: Write the proportion equation
   21,537,422.56 : 32,299,143.54 = 7,156,630.72 : x
2. Step 2: Convert to fraction form
   21,537,422.56/32,299,143.54 = 7,156,630.72/x
3. Step 3: Cross multiply
   21,537,422.56x = 32,299,143.54 × 7,156,630.72
4. Step 4: Simplify right side
   21,537,422.56x = 231,153,042,888,053.53
5. Step 5: Solve for x
   x = 231,153,042,888,053.53/21,537,422.56
6. Step 6: Final answer
   x = 10,732,623.29