Finding the Fourth Proportional to 107,498.88, 148,363.42 and 77,383.88

Step by Step Solution

1. Step 1: Write the proportion equation
   107,498.88 : 148,363.42 = 77,383.88 : x
2. Step 2: Convert to fraction form
   107,498.88/148,363.42 = 77,383.88/x
3. Step 3: Cross multiply
   107,498.88x = 148,363.42 × 77,383.88
4. Step 4: Simplify right side
   107,498.88x = 11,480,937,089.67
5. Step 5: Solve for x
   x = 11,480,937,089.67/107,498.88
6. Step 6: Final answer
   x = 106,800.53