Finding the Fourth Proportional to 28,510,143.30, 42,398,461.37 and 27,602,117.30

Step by Step Solution

1. Step 1: Write the proportion equation
   28,510,143.30 : 42,398,461.37 = 27,602,117.30 : x
2. Step 2: Convert to fraction form
   28,510,143.30/42,398,461.37 = 27,602,117.30/x
3. Step 3: Cross multiply
   28,510,143.30x = 42,398,461.37 × 27,602,117.30
4. Step 4: Simplify right side
   28,510,143.30x = 1,170,287,303,724,256
5. Step 5: Solve for x
   x = 1,170,287,303,724,256/28,510,143.30
6. Step 6: Final answer
   x = 41,048,103.18