Finding the Fourth Proportional to 62,139,007.89, 93,205,157.43 and 19,008,216.18

Step by Step Solution

1. Step 1: Write the proportion equation
   62,139,007.89 : 93,205,157.43 = 19,008,216.18 : x
2. Step 2: Convert to fraction form
   62,139,007.89/93,205,157.43 = 19,008,216.18/x
3. Step 3: Cross multiply
   62,139,007.89x = 93,205,157.43 × 19,008,216.18
4. Step 4: Simplify right side
   62,139,007.89x = 1,771,663,781,520,373.25
5. Step 5: Solve for x
   x = 1,771,663,781,520,373.25/62,139,007.89
6. Step 6: Final answer
   x = 28,511,298.16