Finding the Fourth Proportional to 13,091,028, 19,623,068.49 and 5,807,917.68

Step by Step Solution

1. Step 1: Write the proportion equation
   13,091,028 : 19,623,068.49 = 5,807,917.68 : x
2. Step 2: Convert to fraction form
   13,091,028/19,623,068.49 = 5,807,917.68/x
3. Step 3: Cross multiply
   13,091,028x = 19,623,068.49 × 5,807,917.68
4. Step 4: Simplify right side
   13,091,028x = 113,969,166,418,921.89
5. Step 5: Solve for x
   x = 113,969,166,418,921.89/13,091,028
6. Step 6: Final answer
   x = 8,705,898.91