Finding the Fourth Proportional to 23,018,890.08, 31,766,070.84 and 12,705,616.08

Step by Step Solution

1. Step 1: Write the proportion equation
   23,018,890.08 : 31,766,070.84 = 12,705,616.08 : x
2. Step 2: Convert to fraction form
   23,018,890.08/31,766,070.84 = 12,705,616.08/x
3. Step 3: Cross multiply
   23,018,890.08x = 31,766,070.84 × 12,705,616.08
4. Step 4: Simplify right side
   23,018,890.08x = 403,607,500,463,123.12
5. Step 5: Solve for x
   x = 403,607,500,463,123.12/23,018,890.08
6. Step 6: Final answer
   x = 17,533,751.59