Finding the Fourth Proportional to 70,868.71, 97,784.58 and 53,868.43

Step by Step Solution

1. Step 1: Write the proportion equation
   70,868.71 : 97,784.58 = 53,868.43 : x
2. Step 2: Convert to fraction form
   70,868.71/97,784.58 = 53,868.43/x
3. Step 3: Cross multiply
   70,868.71x = 97,784.58 × 53,868.43
4. Step 4: Simplify right side
   70,868.71x = 5,267,501,802.81
5. Step 5: Solve for x
   x = 5,267,501,802.81/70,868.71
6. Step 6: Final answer
   x = 74,327.61