Finding the Fourth Proportional to 57,977,291.77, 86,963,667.86 and 19,638,805.82

Step by Step Solution

1. Step 1: Write the proportion equation
   57,977,291.77 : 86,963,667.86 = 19,638,805.82 : x
2. Step 2: Convert to fraction form
   57,977,291.77/86,963,667.86 = 19,638,805.82/x
3. Step 3: Cross multiply
   57,977,291.77x = 86,963,667.86 × 19,638,805.82
4. Step 4: Simplify right side
   57,977,291.77x = 1,707,862,586,111,793.75
5. Step 5: Solve for x
   x = 1,707,862,586,111,793.75/57,977,291.77
6. Step 6: Final answer
   x = 29,457,439.87