Finding the Fourth Proportional to 12,773,312, 17,630,131.92 and 8,423,184.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,773,312 : 17,630,131.92 = 8,423,184.32 : x
2. Step 2: Convert to fraction form
   12,773,312/17,630,131.92 = 8,423,184.32/x
3. Step 3: Cross multiply
   12,773,312x = 17,630,131.92 × 8,423,184.32
4. Step 4: Simplify right side
   12,773,312x = 148,501,850,748,075.50
5. Step 5: Solve for x
   x = 148,501,850,748,075.50/12,773,312
6. Step 6: Final answer
   x = 11,625,947.19