Finding the Fourth Proportional to 70,943.39, 97,897.94 and 40,726.72

Step by Step Solution

1. Step 1: Write the proportion equation
   70,943.39 : 97,897.94 = 40,726.72 : x
2. Step 2: Convert to fraction form
   70,943.39/97,897.94 = 40,726.72/x
3. Step 3: Cross multiply
   70,943.39x = 97,897.94 × 40,726.72
4. Step 4: Simplify right side
   70,943.39x = 3,987,061,501.47
5. Step 5: Solve for x
   x = 3,987,061,501.47/70,943.39
6. Step 6: Final answer
   x = 56,200.61