Finding the Fourth Proportional to 21,830,485.60, 32,745,825.60 and 5,655,287.80

Step by Step Solution

1. Step 1: Write the proportion equation
   21,830,485.60 : 32,745,825.60 = 5,655,287.80 : x
2. Step 2: Convert to fraction form
   21,830,485.60/32,745,825.60 = 5,655,287.80/x
3. Step 3: Cross multiply
   21,830,485.60x = 32,745,825.60 × 5,655,287.80
4. Step 4: Simplify right side
   21,830,485.60x = 185,187,068,016,607.69
5. Step 5: Solve for x
   x = 185,187,068,016,607.69/21,830,485.60
6. Step 6: Final answer
   x = 8,482,956.88