Finding the Fourth Proportional to 55,423,991.18, 83,140,419.10 and 19,017,731.18

Step by Step Solution

1. Step 1: Write the proportion equation
   55,423,991.18 : 83,140,419.10 = 19,017,731.18 : x
2. Step 2: Convert to fraction form
   55,423,991.18/83,140,419.10 = 19,017,731.18/x
3. Step 3: Cross multiply
   55,423,991.18x = 83,140,419.10 × 19,017,731.18
4. Step 4: Simplify right side
   55,423,991.18x = 1,581,142,140,636,337.50
5. Step 5: Solve for x
   x = 1,581,142,140,636,337.50/55,423,991.18
6. Step 6: Final answer
   x = 28,528,117.64