Finding the Fourth Proportional to 7,200,578.84, 9,937,320.18 and 4,300,091.96

Step by Step Solution

1. Step 1: Write the proportion equation
   7,200,578.84 : 9,937,320.18 = 4,300,091.96 : x
2. Step 2: Convert to fraction form
   7,200,578.84/9,937,320.18 = 4,300,091.96/x
3. Step 3: Cross multiply
   7,200,578.84x = 9,937,320.18 × 4,300,091.96
4. Step 4: Simplify right side
   7,200,578.84x = 42,731,390,609,963.75
5. Step 5: Solve for x
   x = 42,731,390,609,963.75/7,200,578.84
6. Step 6: Final answer
   x = 5,934,438.27