Finding the Fourth Proportional to 152,472.25, 210,411.72 and 92,856.25

Step by Step Solution

1. Step 1: Write the proportion equation
   152,472.25 : 210,411.72 = 92,856.25 : x
2. Step 2: Convert to fraction form
   152,472.25/210,411.72 = 92,856.25/x
3. Step 3: Cross multiply
   152,472.25x = 210,411.72 × 92,856.25
4. Step 4: Simplify right side
   152,472.25x = 19,538,043,275.25
5. Step 5: Solve for x
   x = 19,538,043,275.25/152,472.25
6. Step 6: Final answer
   x = 128,141.63