Finding the Fourth Proportional to 1,126,484.69, 1,693,269.98 and 978,566.95

Step by Step Solution

1. Step 1: Write the proportion equation
   1,126,484.69 : 1,693,269.98 = 978,566.95 : x
2. Step 2: Convert to fraction form
   1,126,484.69/1,693,269.98 = 978,566.95/x
3. Step 3: Cross multiply
   1,126,484.69x = 1,693,269.98 × 978,566.95
4. Step 4: Simplify right side
   1,126,484.69x = 1,656,978,038,068.40
5. Step 5: Solve for x
   x = 1,656,978,038,068.40/1,126,484.69
6. Step 6: Final answer
   x = 1,470,928.14