Finding the Fourth Proportional to 42,172,440.21, 58,228,126.83 and 32,890,380.35

Step by Step Solution

1. Step 1: Write the proportion equation
   42,172,440.21 : 58,228,126.83 = 32,890,380.35 : x
2. Step 2: Convert to fraction form
   42,172,440.21/58,228,126.83 = 32,890,380.35/x
3. Step 3: Cross multiply
   42,172,440.21x = 58,228,126.83 × 32,890,380.35
4. Step 4: Simplify right side
   42,172,440.21x = 1,915,145,238,215,599
5. Step 5: Solve for x
   x = 1,915,145,238,215,599/42,172,440.21
6. Step 6: Final answer
   x = 45,412,246.21