Finding the Fourth Proportional to 98,748.27, 136,272.22 and 53,426.10

Step by Step Solution

1. Step 1: Write the proportion equation
   98,748.27 : 136,272.22 = 53,426.10 : x
2. Step 2: Convert to fraction form
   98,748.27/136,272.22 = 53,426.10/x
3. Step 3: Cross multiply
   98,748.27x = 136,272.22 × 53,426.10
4. Step 4: Simplify right side
   98,748.27x = 7,280,493,252.94
5. Step 5: Solve for x
   x = 7,280,493,252.94/98,748.27
6. Step 6: Final answer
   x = 73,727.81