Finding the Fourth Proportional to 788,499.60, 1,106,698.80 and 788,499.60

Step by Step Solution

1. Step 1: Write the proportion equation
   788,499.60 : 1,106,698.80 = 788,499.60 : x
2. Step 2: Convert to fraction form
   788,499.60/1,106,698.80 = 788,499.60/x
3. Step 3: Cross multiply
   788,499.60x = 1,106,698.80 × 788,499.60
4. Step 4: Simplify right side
   788,499.60x = 872,631,561,120.48
5. Step 5: Solve for x
   x = 872,631,561,120.48/788,499.60
6. Step 6: Final answer
   x = 1,106,698.80