Finding the Fourth Proportional to 8,502,368.46, 12,756,306.72 and 5,090,121.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,502,368.46 : 12,756,306.72 = 5,090,121.42 : x
2. Step 2: Convert to fraction form
   8,502,368.46/12,756,306.72 = 5,090,121.42/x
3. Step 3: Cross multiply
   8,502,368.46x = 12,756,306.72 × 5,090,121.42
4. Step 4: Simplify right side
   8,502,368.46x = 64,931,150,075,561.95
5. Step 5: Solve for x
   x = 64,931,150,075,561.95/8,502,368.46
6. Step 6: Final answer
   x = 7,636,830.89