Finding the Fourth Proportional to 22,593,111.80, 31,178,683.50 and 12,279,832.16

Step by Step Solution

1. Step 1: Write the proportion equation
   22,593,111.80 : 31,178,683.50 = 12,279,832.16 : x
2. Step 2: Convert to fraction form
   22,593,111.80/31,178,683.50 = 12,279,832.16/x
3. Step 3: Cross multiply
   22,593,111.80x = 31,178,683.50 × 12,279,832.16
4. Step 4: Simplify right side
   22,593,111.80x = 382,869,000,349,761.38
5. Step 5: Solve for x
   x = 382,869,000,349,761.38/22,593,111.80
6. Step 6: Final answer
   x = 16,946,271.22