Finding the Fourth Proportional to 78,117.01, 107,801.89 and 42,307.11

Step by Step Solution

1. Step 1: Write the proportion equation
   78,117.01 : 107,801.89 = 42,307.11 : x
2. Step 2: Convert to fraction form
   78,117.01/107,801.89 = 42,307.11/x
3. Step 3: Cross multiply
   78,117.01x = 107,801.89 × 42,307.11
4. Step 4: Simplify right side
   78,117.01x = 4,560,786,312.67
5. Step 5: Solve for x
   x = 4,560,786,312.67/78,117.01
6. Step 6: Final answer
   x = 58,384.04