Finding the Fourth Proportional to 131,316, 181,216.32 and 71,700

Step by Step Solution

1. Step 1: Write the proportion equation
   131,316 : 181,216.32 = 71,700 : x
2. Step 2: Convert to fraction form
   131,316/181,216.32 = 71,700/x
3. Step 3: Cross multiply
   131,316x = 181,216.32 × 71,700
4. Step 4: Simplify right side
   131,316x = 12,993,210,144
5. Step 5: Solve for x
   x = 12,993,210,144/131,316
6. Step 6: Final answer
   x = 98,946.13