Finding the Fourth Proportional to 290,764,672.58, 436,150,807.89 and 96,676,087.82

Step by Step Solution

1. Step 1: Write the proportion equation
   290,764,672.58 : 436,150,807.89 = 96,676,087.82 : x
2. Step 2: Convert to fraction form
   290,764,672.58/436,150,807.89 = 96,676,087.82/x
3. Step 3: Cross multiply
   290,764,672.58x = 436,150,807.89 × 96,676,087.82
4. Step 4: Simplify right side
   290,764,672.58x = 42,165,353,806,337,584
5. Step 5: Solve for x
   x = 42,165,353,806,337,584/290,764,672.58
6. Step 6: Final answer
   x = 145,015,394.86