Finding the Fourth Proportional to 117,410.72, 176,185.20 and 43,590.56

Step by Step Solution

1. Step 1: Write the proportion equation
   117,410.72 : 176,185.20 = 43,590.56 : x
2. Step 2: Convert to fraction form
   117,410.72/176,185.20 = 43,590.56/x
3. Step 3: Cross multiply
   117,410.72x = 176,185.20 × 43,590.56
4. Step 4: Simplify right side
   117,410.72x = 7,680,011,531.71
5. Step 5: Solve for x
   x = 7,680,011,531.71/117,410.72
6. Step 6: Final answer
   x = 65,411.50