Finding the Fourth Proportional to 152,025.19, 209,807.72 and 84,970.15

Step by Step Solution

1. Step 1: Write the proportion equation
   152,025.19 : 209,807.72 = 84,970.15 : x
2. Step 2: Convert to fraction form
   152,025.19/209,807.72 = 84,970.15/x
3. Step 3: Cross multiply
   152,025.19x = 209,807.72 × 84,970.15
4. Step 4: Simplify right side
   152,025.19x = 17,827,392,808.83
5. Step 5: Solve for x
   x = 17,827,392,808.83/152,025.19
6. Step 6: Final answer
   x = 117,266.05