Finding the Fourth Proportional to 152,180.70, 210,076.62 and 90,948.50

Step by Step Solution

1. Step 1: Write the proportion equation
   152,180.70 : 210,076.62 = 90,948.50 : x
2. Step 2: Convert to fraction form
   152,180.70/210,076.62 = 90,948.50/x
3. Step 3: Cross multiply
   152,180.70x = 210,076.62 × 90,948.50
4. Step 4: Simplify right side
   152,180.70x = 19,106,152,423.69
5. Step 5: Solve for x
   x = 19,106,152,423.69/152,180.70
6. Step 6: Final answer
   x = 125,549.12