Finding the Fourth Proportional to 12,046,150.83, 16,616,385.32 and 7,148,145.63

Step by Step Solution

1. Step 1: Write the proportion equation
   12,046,150.83 : 16,616,385.32 = 7,148,145.63 : x
2. Step 2: Convert to fraction form
   12,046,150.83/16,616,385.32 = 7,148,145.63/x
3. Step 3: Cross multiply
   12,046,150.83x = 16,616,385.32 × 7,148,145.63
4. Step 4: Simplify right side
   12,046,150.83x = 118,776,342,075,813.42
5. Step 5: Solve for x
   x = 118,776,342,075,813.42/12,046,150.83
6. Step 6: Final answer
   x = 9,860,107.49