Finding the Fourth Proportional to 107,109.78, 147,811.47 and 59,370.30

Step by Step Solution

1. Step 1: Write the proportion equation
   107,109.78 : 147,811.47 = 59,370.30 : x
2. Step 2: Convert to fraction form
   107,109.78/147,811.47 = 59,370.30/x
3. Step 3: Cross multiply
   107,109.78x = 147,811.47 × 59,370.30
4. Step 4: Simplify right side
   107,109.78x = 8,775,611,317.34
5. Step 5: Solve for x
   x = 8,775,611,317.34/107,109.78
6. Step 6: Final answer
   x = 81,931.00