Finding the Fourth Proportional to 12,323,142.78, 16,916,884.98 and 10,577,782.07

Step by Step Solution

1. Step 1: Write the proportion equation
   12,323,142.78 : 16,916,884.98 = 10,577,782.07 : x
2. Step 2: Convert to fraction form
   12,323,142.78/16,916,884.98 = 10,577,782.07/x
3. Step 3: Cross multiply
   12,323,142.78x = 16,916,884.98 × 10,577,782.07
4. Step 4: Simplify right side
   12,323,142.78x = 178,943,122,537,111.88
5. Step 5: Solve for x
   x = 178,943,122,537,111.88/12,323,142.78
6. Step 6: Final answer
   x = 14,520,899.88