Finding the Fourth Proportional to 2,142,941.06, 3,214,902.52 and 928,721.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142,941.06 : 3,214,902.52 = 928,721.50 : x
2. Step 2: Convert to fraction form
   2,142,941.06/3,214,902.52 = 928,721.50/x
3. Step 3: Cross multiply
   2,142,941.06x = 3,214,902.52 × 928,721.50
4. Step 4: Simplify right side
   2,142,941.06x = 2,985,749,074,653.67
5. Step 5: Solve for x
   x = 2,985,749,074,653.67/2,142,941.06
6. Step 6: Final answer
   x = 1,393,295.00