Finding the Fourth Proportional to 78,106.48, 107,787 and 42,296.53

Step by Step Solution

1. Step 1: Write the proportion equation
   78,106.48 : 107,787 = 42,296.53 : x
2. Step 2: Convert to fraction form
   78,106.48/107,787 = 42,296.53/x
3. Step 3: Cross multiply
   78,106.48x = 107,787 × 42,296.53
4. Step 4: Simplify right side
   78,106.48x = 4,559,016,079.11
5. Step 5: Solve for x
   x = 4,559,016,079.11/78,106.48
6. Step 6: Final answer
   x = 58,369.24