Finding the Fourth Proportional to 117,507.78, 162,160.74 and 63,792.72

Step by Step Solution

1. Step 1: Write the proportion equation
   117,507.78 : 162,160.74 = 63,792.72 : x
2. Step 2: Convert to fraction form
   117,507.78/162,160.74 = 63,792.72/x
3. Step 3: Cross multiply
   117,507.78x = 162,160.74 × 63,792.72
4. Step 4: Simplify right side
   117,507.78x = 10,344,674,681.81
5. Step 5: Solve for x
   x = 10,344,674,681.81/117,507.78
6. Step 6: Final answer
   x = 88,033.96