Finding the Fourth Proportional to 152,658.56, 210,668.76 and 93,042.56

Step by Step Solution

1. Step 1: Write the proportion equation
   152,658.56 : 210,668.76 = 93,042.56 : x
2. Step 2: Convert to fraction form
   152,658.56/210,668.76 = 93,042.56/x
3. Step 3: Cross multiply
   152,658.56x = 210,668.76 × 93,042.56
4. Step 4: Simplify right side
   152,658.56x = 19,601,160,742.43
5. Step 5: Solve for x
   x = 19,601,160,742.43/152,658.56
6. Step 6: Final answer
   x = 128,398.70