Finding the Fourth Proportional to 152,472.50, 210,412.06 and 92,856.50

Step by Step Solution

1. Step 1: Write the proportion equation
   152,472.50 : 210,412.06 = 92,856.50 : x
2. Step 2: Convert to fraction form
   152,472.50/210,412.06 = 92,856.50/x
3. Step 3: Cross multiply
   152,472.50x = 210,412.06 × 92,856.50
4. Step 4: Simplify right side
   152,472.50x = 19,538,127,449.39
5. Step 5: Solve for x
   x = 19,538,127,449.39/152,472.50
6. Step 6: Final answer
   x = 128,141.98