Finding the Fourth Proportional to 42,123,931.88, 63,188,347.30 and 11,834,156.84

Step by Step Solution

1. Step 1: Write the proportion equation
   42,123,931.88 : 63,188,347.30 = 11,834,156.84 : x
2. Step 2: Convert to fraction form
   42,123,931.88/63,188,347.30 = 11,834,156.84/x
3. Step 3: Cross multiply
   42,123,931.88x = 63,188,347.30 × 11,834,156.84
4. Step 4: Simplify right side
   42,123,931.88x = 747,780,812,408,590.50
5. Step 5: Solve for x
   x = 747,780,812,408,590.50/42,123,931.88
6. Step 6: Final answer
   x = 17,751,923.41