Finding the Fourth Proportional to 1,116,071.10, 1,540,109.16 and 626,013.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,116,071.10 : 1,540,109.16 = 626,013.72 : x
2. Step 2: Convert to fraction form
   1,116,071.10/1,540,109.16 = 626,013.72/x
3. Step 3: Cross multiply
   1,116,071.10x = 1,540,109.16 × 626,013.72
4. Step 4: Simplify right side
   1,116,071.10x = 964,129,464,457.68
5. Step 5: Solve for x
   x = 964,129,464,457.68/1,116,071.10
6. Step 6: Final answer
   x = 863,860.25