Finding the Fourth Proportional to 5,158,988.72, 7,738,473.72 and 1,372,471.52

Step by Step Solution

1. Step 1: Write the proportion equation
   5,158,988.72 : 7,738,473.72 = 1,372,471.52 : x
2. Step 2: Convert to fraction form
   5,158,988.72/7,738,473.72 = 1,372,471.52/x
3. Step 3: Cross multiply
   5,158,988.72x = 7,738,473.72 × 1,372,471.52
4. Step 4: Simplify right side
   5,158,988.72x = 10,620,834,788,968.46
5. Step 5: Solve for x
   x = 10,620,834,788,968.46/5,158,988.72
6. Step 6: Final answer
   x = 2,058,704.79