Finding the Fourth Proportional to 78,106.04, 107,786.31 and 42,296.04

Step by Step Solution

1. Step 1: Write the proportion equation
   78,106.04 : 107,786.31 = 42,296.04 : x
2. Step 2: Convert to fraction form
   78,106.04/107,786.31 = 42,296.04/x
3. Step 3: Cross multiply
   78,106.04x = 107,786.31 × 42,296.04
4. Step 4: Simplify right side
   78,106.04x = 4,558,934,079.21
5. Step 5: Solve for x
   x = 4,558,934,079.21/78,106.04
6. Step 6: Final answer
   x = 58,368.52