Finding the Fourth Proportional to 152,402.48, 210,339.52 and 91,981.76

Step by Step Solution

1. Step 1: Write the proportion equation
   152,402.48 : 210,339.52 = 91,981.76 : x
2. Step 2: Convert to fraction form
   152,402.48/210,339.52 = 91,981.76/x
3. Step 3: Cross multiply
   152,402.48x = 210,339.52 × 91,981.76
4. Step 4: Simplify right side
   152,402.48x = 19,347,399,247.16
5. Step 5: Solve for x
   x = 19,347,399,247.16/152,402.48
6. Step 6: Final answer
   x = 126,949.37