Finding the Fourth Proportional to 52,460,620.99, 72,392,379.89 and 28,939,429.91

Step by Step Solution

1. Step 1: Write the proportion equation
   52,460,620.99 : 72,392,379.89 = 28,939,429.91 : x
2. Step 2: Convert to fraction form
   52,460,620.99/72,392,379.89 = 28,939,429.91/x
3. Step 3: Cross multiply
   52,460,620.99x = 72,392,379.89 × 28,939,429.91
4. Step 4: Simplify right side
   52,460,620.99x = 2,094,994,203,881,032.50
5. Step 5: Solve for x
   x = 2,094,994,203,881,032.50/52,460,620.99
6. Step 6: Final answer
   x = 39,934,605.51