Finding the Fourth Proportional to 31,068,404.34, 42,892,789.33 and 27,621,123.70

Step by Step Solution

1. Step 1: Write the proportion equation
   31,068,404.34 : 42,892,789.33 = 27,621,123.70 : x
2. Step 2: Convert to fraction form
   31,068,404.34/42,892,789.33 = 27,621,123.70/x
3. Step 3: Cross multiply
   31,068,404.34x = 42,892,789.33 × 27,621,123.70
4. Step 4: Simplify right side
   31,068,404.34x = 1,184,747,039,921,970
5. Step 5: Solve for x
   x = 1,184,747,039,921,970/31,068,404.34
6. Step 6: Final answer
   x = 38,133,501.38