Finding the Fourth Proportional to 107,693.51, 148,614.57 and 67,429.47

Step by Step Solution

1. Step 1: Write the proportion equation
   107,693.51 : 148,614.57 = 67,429.47 : x
2. Step 2: Convert to fraction form
   107,693.51/148,614.57 = 67,429.47/x
3. Step 3: Cross multiply
   107,693.51x = 148,614.57 × 67,429.47
4. Step 4: Simplify right side
   107,693.51x = 10,021,000,946.31
5. Step 5: Solve for x
   x = 10,021,000,946.31/107,693.51
6. Step 6: Final answer
   x = 93,051.12