Finding the Fourth Proportional to 106,870.68, 147,485.88 and 59,123.25

Step by Step Solution

1. Step 1: Write the proportion equation
   106,870.68 : 147,485.88 = 59,123.25 : x
2. Step 2: Convert to fraction form
   106,870.68/147,485.88 = 59,123.25/x
3. Step 3: Cross multiply
   106,870.68x = 147,485.88 × 59,123.25
4. Step 4: Simplify right side
   106,870.68x = 8,719,844,554.71
5. Step 5: Solve for x
   x = 8,719,844,554.71/106,870.68
6. Step 6: Final answer
   x = 81,592.49