Finding the Fourth Proportional to 1,572,593.67, 2,355,432.89 and 1,299,628.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,572,593.67 : 2,355,432.89 = 1,299,628.23 : x
2. Step 2: Convert to fraction form
   1,572,593.67/2,355,432.89 = 1,299,628.23/x
3. Step 3: Cross multiply
   1,572,593.67x = 2,355,432.89 × 1,299,628.23
4. Step 4: Simplify right side
   1,572,593.67x = 3,061,187,071,216.34
5. Step 5: Solve for x
   x = 3,061,187,071,216.34/1,572,593.67
6. Step 6: Final answer
   x = 1,946,584.89