Finding the Fourth Proportional to 157,050.34, 216,680.57 and 89,061.98

Step by Step Solution

1. Step 1: Write the proportion equation
   157,050.34 : 216,680.57 = 89,061.98 : x
2. Step 2: Convert to fraction form
   157,050.34/216,680.57 = 89,061.98/x
3. Step 3: Cross multiply
   157,050.34x = 216,680.57 × 89,061.98
4. Step 4: Simplify right side
   157,050.34x = 19,298,000,615.83
5. Step 5: Solve for x
   x = 19,298,000,615.83/157,050.34
6. Step 6: Final answer
   x = 122,877.80