Finding the Fourth Proportional to 70,385.30, 97,131.72 and 38,554.28

Step by Step Solution

1. Step 1: Write the proportion equation
   70,385.30 : 97,131.72 = 38,554.28 : x
2. Step 2: Convert to fraction form
   70,385.30/97,131.72 = 38,554.28/x
3. Step 3: Cross multiply
   70,385.30x = 97,131.72 × 38,554.28
4. Step 4: Simplify right side
   70,385.30x = 3,744,843,529.76
5. Step 5: Solve for x
   x = 3,744,843,529.76/70,385.30
6. Step 6: Final answer
   x = 53,204.91