Finding the Fourth Proportional to 28,092,925.53, 42,139,442.51 and 10,829,256.09

Step by Step Solution

1. Step 1: Write the proportion equation
   28,092,925.53 : 42,139,442.51 = 10,829,256.09 : x
2. Step 2: Convert to fraction form
   28,092,925.53/42,139,442.51 = 10,829,256.09/x
3. Step 3: Cross multiply
   28,092,925.53x = 42,139,442.51 × 10,829,256.09
4. Step 4: Simplify right side
   28,092,925.53x = 456,338,814,430,622.38
5. Step 5: Solve for x
   x = 456,338,814,430,622.38/28,092,925.53
6. Step 6: Final answer
   x = 16,243,905.03