Finding the Fourth Proportional to 21,070,384.03, 29,076,910.22 and 12,366,875.12

Step by Step Solution

1. Step 1: Write the proportion equation
   21,070,384.03 : 29,076,910.22 = 12,366,875.12 : x
2. Step 2: Convert to fraction form
   21,070,384.03/29,076,910.22 = 12,366,875.12/x
3. Step 3: Cross multiply
   21,070,384.03x = 29,076,910.22 × 12,366,875.12
4. Step 4: Simplify right side
   21,070,384.03x = 359,590,517,545,718.38
5. Step 5: Solve for x
   x = 359,590,517,545,718.38/21,070,384.03
6. Step 6: Final answer
   x = 17,066,158.69