Finding the Fourth Proportional to 8,870,897.10, 13,307,988.33 and 2,807,155.29

Step by Step Solution

1. Step 1: Write the proportion equation
   8,870,897.10 : 13,307,988.33 = 2,807,155.29 : x
2. Step 2: Convert to fraction form
   8,870,897.10/13,307,988.33 = 2,807,155.29/x
3. Step 3: Cross multiply
   8,870,897.10x = 13,307,988.33 × 2,807,155.29
4. Step 4: Simplify right side
   8,870,897.10x = 37,357,589,839,817.77
5. Step 5: Solve for x
   x = 37,357,589,839,817.77/8,870,897.10
6. Step 6: Final answer
   x = 4,211,252.75