Finding the Fourth Proportional to 1,870,789.23, 2,803,329 and 972,522.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870,789.23 : 2,803,329 = 972,522.72 : x
2. Step 2: Convert to fraction form
   1,870,789.23/2,803,329 = 972,522.72/x
3. Step 3: Cross multiply
   1,870,789.23x = 2,803,329 × 972,522.72
4. Step 4: Simplify right side
   1,870,789.23x = 2,726,301,144,134.88
5. Step 5: Solve for x
   x = 2,726,301,144,134.88/1,870,789.23
6. Step 6: Final answer
   x = 1,457,300.00