Finding the Fourth Proportional to 78,830.24, 108,784.72 and 45,296.80

Step by Step Solution

1. Step 1: Write the proportion equation
   78,830.24 : 108,784.72 = 45,296.80 : x
2. Step 2: Convert to fraction form
   78,830.24/108,784.72 = 45,296.80/x
3. Step 3: Cross multiply
   78,830.24x = 108,784.72 × 45,296.80
4. Step 4: Simplify right side
   78,830.24x = 4,927,599,704.90
5. Step 5: Solve for x
   x = 4,927,599,704.90/78,830.24
6. Step 6: Final answer
   x = 62,509.00