Finding the Fourth Proportional to 65,103,421.39, 89,917,285.88 and 42,875,770.34

Step by Step Solution

1. Step 1: Write the proportion equation
   65,103,421.39 : 89,917,285.88 = 42,875,770.34 : x
2. Step 2: Convert to fraction form
   65,103,421.39/89,917,285.88 = 42,875,770.34/x
3. Step 3: Cross multiply
   65,103,421.39x = 89,917,285.88 × 42,875,770.34
4. Step 4: Simplify right side
   65,103,421.39x = 3,855,272,898,997,419.50
5. Step 5: Solve for x
   x = 3,855,272,898,997,419.50/65,103,421.39
6. Step 6: Final answer
   x = 59,217,669.62