Finding the Fourth Proportional to 31,979,111.70, 47,968,675.83 and 8,953,438.53

Step by Step Solution

1. Step 1: Write the proportion equation
   31,979,111.70 : 47,968,675.83 = 8,953,438.53 : x
2. Step 2: Convert to fraction form
   31,979,111.70/47,968,675.83 = 8,953,438.53/x
3. Step 3: Cross multiply
   31,979,111.70x = 47,968,675.83 × 8,953,438.53
4. Step 4: Simplify right side
   31,979,111.70x = 429,484,590,409,401.69
5. Step 5: Solve for x
   x = 429,484,590,409,401.69/31,979,111.70
6. Step 6: Final answer
   x = 13,430,160.11