Finding the Fourth Proportional to 1,420,061.90, 2,130,111.68 and 473,432.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,420,061.90 : 2,130,111.68 = 473,432.94 : x
2. Step 2: Convert to fraction form
   1,420,061.90/2,130,111.68 = 473,432.94/x
3. Step 3: Cross multiply
   1,420,061.90x = 2,130,111.68 × 473,432.94
4. Step 4: Simplify right side
   1,420,061.90x = 1,008,465,032,823.57
5. Step 5: Solve for x
   x = 1,008,465,032,823.57/1,420,061.90
6. Step 6: Final answer
   x = 710,155.69