Finding the Fourth Proportional to 31,144,624.32, 42,667,421.46 and 29,980,209.36

Step by Step Solution

1. Step 1: Write the proportion equation
   31,144,624.32 : 42,667,421.46 = 29,980,209.36 : x
2. Step 2: Convert to fraction form
   31,144,624.32/42,667,421.46 = 29,980,209.36/x
3. Step 3: Cross multiply
   31,144,624.32x = 42,667,421.46 × 29,980,209.36
4. Step 4: Simplify right side
   31,144,624.32x = 1,279,178,228,222,156.75
5. Step 5: Solve for x
   x = 1,279,178,228,222,156.75/31,144,624.32
6. Step 6: Final answer
   x = 41,072,199.65