Finding the Fourth Proportional to 152,454.56, 210,397.50 and 84,474.50

Step by Step Solution

1. Step 1: Write the proportion equation
   152,454.56 : 210,397.50 = 84,474.50 : x
2. Step 2: Convert to fraction form
   152,454.56/210,397.50 = 84,474.50/x
3. Step 3: Cross multiply
   152,454.56x = 210,397.50 × 84,474.50
4. Step 4: Simplify right side
   152,454.56x = 17,773,222,561.76
5. Step 5: Solve for x
   x = 17,773,222,561.76/152,454.56
6. Step 6: Final answer
   x = 116,580.46