Finding the Fourth Proportional to 1,133,002.69, 1,563,543.71 and 623,705.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,133,002.69 : 1,563,543.71 = 623,705.06 : x
2. Step 2: Convert to fraction form
   1,133,002.69/1,563,543.71 = 623,705.06/x
3. Step 3: Cross multiply
   1,133,002.69x = 1,563,543.71 × 623,705.06
4. Step 4: Simplify right side
   1,133,002.69x = 975,190,126,587.40
5. Step 5: Solve for x
   x = 975,190,126,587.40/1,133,002.69
6. Step 6: Final answer
   x = 860,712.99