Finding the Fourth Proportional to 42,666,186.05, 63,974,834 and 13,114,680.40

Step by Step Solution

1. Step 1: Write the proportion equation
   42,666,186.05 : 63,974,834 = 13,114,680.40 : x
2. Step 2: Convert to fraction form
   42,666,186.05/63,974,834 = 13,114,680.40/x
3. Step 3: Cross multiply
   42,666,186.05x = 63,974,834 × 13,114,680.40
4. Step 4: Simplify right side
   42,666,186.05x = 839,009,501,233,179.38
5. Step 5: Solve for x
   x = 839,009,501,233,179.38/42,666,186.05
6. Step 6: Final answer
   x = 19,664,506.70