Finding the Fourth Proportional to 117,152.81, 161,670.63 and 63,437.98

Step by Step Solution

1. Step 1: Write the proportion equation
   117,152.81 : 161,670.63 = 63,437.98 : x
2. Step 2: Convert to fraction form
   117,152.81/161,670.63 = 63,437.98/x
3. Step 3: Cross multiply
   117,152.81x = 161,670.63 × 63,437.98
4. Step 4: Simplify right side
   117,152.81x = 10,256,057,384.17
5. Step 5: Solve for x
   x = 10,256,057,384.17/117,152.81
6. Step 6: Final answer
   x = 87,544.27