Finding the Fourth Proportional to 97,308.72, 145,856.46 and 38,079.30

Step by Step Solution

1. Step 1: Write the proportion equation
   97,308.72 : 145,856.46 = 38,079.30 : x
2. Step 2: Convert to fraction form
   97,308.72/145,856.46 = 38,079.30/x
3. Step 3: Cross multiply
   97,308.72x = 145,856.46 × 38,079.30
4. Step 4: Simplify right side
   97,308.72x = 5,554,111,897.28
5. Step 5: Solve for x
   x = 5,554,111,897.28/97,308.72
6. Step 6: Final answer
   x = 57,077.23