Finding the Fourth Proportional to 22,931,072.49, 31,643,931.27 and 12,477,131.84

Step by Step Solution

1. Step 1: Write the proportion equation
   22,931,072.49 : 31,643,931.27 = 12,477,131.84 : x
2. Step 2: Convert to fraction form
   22,931,072.49/31,643,931.27 = 12,477,131.84/x
3. Step 3: Cross multiply
   22,931,072.49x = 31,643,931.27 × 12,477,131.84
4. Step 4: Simplify right side
   22,931,072.49x = 394,825,502,358,421.12
5. Step 5: Solve for x
   x = 394,825,502,358,421.12/22,931,072.49
6. Step 6: Final answer
   x = 17,217,925.70