Finding the Fourth Proportional to 58,912.10, 88,152.15 and 43,360.10

Step by Step Solution

1. Step 1: Write the proportion equation
   58,912.10 : 88,152.15 = 43,360.10 : x
2. Step 2: Convert to fraction form
   58,912.10/88,152.15 = 43,360.10/x
3. Step 3: Cross multiply
   58,912.10x = 88,152.15 × 43,360.10
4. Step 4: Simplify right side
   58,912.10x = 3,822,286,039.22
5. Step 5: Solve for x
   x = 3,822,286,039.22/58,912.10
6. Step 6: Final answer
   x = 64,881.17