Finding the Fourth Proportional to 106,860.30, 147,468.51 and 59,112.42

Step by Step Solution

1. Step 1: Write the proportion equation
   106,860.30 : 147,468.51 = 59,112.42 : x
2. Step 2: Convert to fraction form
   106,860.30/147,468.51 = 59,112.42/x
3. Step 3: Cross multiply
   106,860.30x = 147,468.51 × 59,112.42
4. Step 4: Simplify right side
   106,860.30x = 8,717,220,499.89
5. Step 5: Solve for x
   x = 8,717,220,499.89/106,860.30
6. Step 6: Final answer
   x = 81,575.86