Finding the Fourth Proportional to 2,140,385.42, 3,210,636.56 and 624,031.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,140,385.42 : 3,210,636.56 = 624,031.70 : x
2. Step 2: Convert to fraction form
   2,140,385.42/3,210,636.56 = 624,031.70/x
3. Step 3: Cross multiply
   2,140,385.42x = 3,210,636.56 × 624,031.70
4. Step 4: Simplify right side
   2,140,385.42x = 2,003,538,971,445.61
5. Step 5: Solve for x
   x = 2,003,538,971,445.61/2,140,385.42
6. Step 6: Final answer
   x = 936,064.58