Finding the Fourth Proportional to 16,557,925.19, 24,834,931.76 and 4,428,328.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,557,925.19 : 24,834,931.76 = 4,428,328.72 : x
2. Step 2: Convert to fraction form
   16,557,925.19/24,834,931.76 = 4,428,328.72/x
3. Step 3: Cross multiply
   16,557,925.19x = 24,834,931.76 × 4,428,328.72
4. Step 4: Simplify right side
   16,557,925.19x = 109,977,241,487,819.17
5. Step 5: Solve for x
   x = 109,977,241,487,819.17/16,557,925.19
6. Step 6: Final answer
   x = 6,641,969.95