Finding the Fourth Proportional to 9,315,429.47, 12,855,160.98 and 5,241,038.75

Step by Step Solution

1. Step 1: Write the proportion equation
   9,315,429.47 : 12,855,160.98 = 5,241,038.75 : x
2. Step 2: Convert to fraction form
   9,315,429.47/12,855,160.98 = 5,241,038.75/x
3. Step 3: Cross multiply
   9,315,429.47x = 12,855,160.98 × 5,241,038.75
4. Step 4: Simplify right side
   9,315,429.47x = 67,374,396,833,667.98
5. Step 5: Solve for x
   x = 67,374,396,833,667.98/9,315,429.47
6. Step 6: Final answer
   x = 7,232,559.38