Finding the Fourth Proportional to 78,075.61, 107,743.83 and 42,264.83

Step by Step Solution

1. Step 1: Write the proportion equation
   78,075.61 : 107,743.83 = 42,264.83 : x
2. Step 2: Convert to fraction form
   78,075.61/107,743.83 = 42,264.83/x
3. Step 3: Cross multiply
   78,075.61x = 107,743.83 × 42,264.83
4. Step 4: Simplify right side
   78,075.61x = 4,553,774,658.50
5. Step 5: Solve for x
   x = 4,553,774,658.50/78,075.61
6. Step 6: Final answer
   x = 58,325.19