Finding the Fourth Proportional to 359,072.10, 538,687.94 and 156,700.76

Step by Step Solution

1. Step 1: Write the proportion equation
   359,072.10 : 538,687.94 = 156,700.76 : x
2. Step 2: Convert to fraction form
   359,072.10/538,687.94 = 156,700.76/x
3. Step 3: Cross multiply
   359,072.10x = 538,687.94 × 156,700.76
4. Step 4: Simplify right side
   359,072.10x = 84,412,806,123.89
5. Step 5: Solve for x
   x = 84,412,806,123.89/359,072.10
6. Step 6: Final answer
   x = 235,085.95