Finding the Fourth Proportional to 70,653, 97,500.88 and 38,387.40

Step by Step Solution

1. Step 1: Write the proportion equation
   70,653 : 97,500.88 = 38,387.40 : x
2. Step 2: Convert to fraction form
   70,653/97,500.88 = 38,387.40/x
3. Step 3: Cross multiply
   70,653x = 97,500.88 × 38,387.40
4. Step 4: Simplify right side
   70,653x = 3,742,805,280.91
5. Step 5: Solve for x
   x = 3,742,805,280.91/70,653
6. Step 6: Final answer
   x = 52,974.47