Finding the Fourth Proportional to 71,608,498.18, 98,831,578.89 and 42,247,009.06

Step by Step Solution

1. Step 1: Write the proportion equation
   71,608,498.18 : 98,831,578.89 = 42,247,009.06 : x
2. Step 2: Convert to fraction form
   71,608,498.18/98,831,578.89 = 42,247,009.06/x
3. Step 3: Cross multiply
   71,608,498.18x = 98,831,578.89 × 42,247,009.06
4. Step 4: Simplify right side
   71,608,498.18x = 4,175,338,608,779,935
5. Step 5: Solve for x
   x = 4,175,338,608,779,935/71,608,498.18
6. Step 6: Final answer
   x = 58,307,864.50