Finding the Fourth Proportional to 97,714.72, 146,580.72 and 53,322.40

Step by Step Solution

1. Step 1: Write the proportion equation
   97,714.72 : 146,580.72 = 53,322.40 : x
2. Step 2: Convert to fraction form
   97,714.72/146,580.72 = 53,322.40/x
3. Step 3: Cross multiply
   97,714.72x = 146,580.72 × 53,322.40
4. Step 4: Simplify right side
   97,714.72x = 7,816,035,784.13
5. Step 5: Solve for x
   x = 7,816,035,784.13/97,714.72
6. Step 6: Final answer
   x = 79,988.31