Finding the Fourth Proportional to 1,570,504.96, 2,355,731.52 and 388,552.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,570,504.96 : 2,355,731.52 = 388,552.96 : x
2. Step 2: Convert to fraction form
   1,570,504.96/2,355,731.52 = 388,552.96/x
3. Step 3: Cross multiply
   1,570,504.96x = 2,355,731.52 × 388,552.96
4. Step 4: Simplify right side
   1,570,504.96x = 915,326,455,061.30
5. Step 5: Solve for x
   x = 915,326,455,061.30/1,570,504.96
6. Step 6: Final answer
   x = 582,823.03