Finding the Fourth Proportional to 97,139.48, 145,622.78 and 37,961.69

Step by Step Solution

1. Step 1: Write the proportion equation
   97,139.48 : 145,622.78 = 37,961.69 : x
2. Step 2: Convert to fraction form
   97,139.48/145,622.78 = 37,961.69/x
3. Step 3: Cross multiply
   97,139.48x = 145,622.78 × 37,961.69
4. Step 4: Simplify right side
   97,139.48x = 5,528,086,641.49
5. Step 5: Solve for x
   x = 5,528,086,641.49/97,139.48
6. Step 6: Final answer
   x = 56,908.75