Finding the Fourth Proportional to 119,111.57, 164,374.29 and 65,400.06

Step by Step Solution

1. Step 1: Write the proportion equation
   119,111.57 : 164,374.29 = 65,400.06 : x
2. Step 2: Convert to fraction form
   119,111.57/164,374.29 = 65,400.06/x
3. Step 3: Cross multiply
   119,111.57x = 164,374.29 × 65,400.06
4. Step 4: Simplify right side
   119,111.57x = 10,750,088,428.46
5. Step 5: Solve for x
   x = 10,750,088,428.46/119,111.57
6. Step 6: Final answer
   x = 90,252.26