Finding the Fourth Proportional to 64,261,930.74, 88,620,664.05 and 42,196,498.26

Step by Step Solution

1. Step 1: Write the proportion equation
   64,261,930.74 : 88,620,664.05 = 42,196,498.26 : x
2. Step 2: Convert to fraction form
   64,261,930.74/88,620,664.05 = 42,196,498.26/x
3. Step 3: Cross multiply
   64,261,930.74x = 88,620,664.05 × 42,196,498.26
4. Step 4: Simplify right side
   64,261,930.74x = 3,739,481,696,385,869
5. Step 5: Solve for x
   x = 3,739,481,696,385,869/64,261,930.74
6. Step 6: Final answer
   x = 58,191,244.07