Finding the Fourth Proportional to 70,940.52, 97,897.86 and 39,109.95

Step by Step Solution

1. Step 1: Write the proportion equation
   70,940.52 : 97,897.86 = 39,109.95 : x
2. Step 2: Convert to fraction form
   70,940.52/97,897.86 = 39,109.95/x
3. Step 3: Cross multiply
   70,940.52x = 97,897.86 × 39,109.95
4. Step 4: Simplify right side
   70,940.52x = 3,828,780,409.71
5. Step 5: Solve for x
   x = 3,828,780,409.71/70,940.52
6. Step 6: Final answer
   x = 53,971.70