Finding the Fourth Proportional to 140,290,075.17, 193,607,051.50 and 77,565,012.48

Step by Step Solution

1. Step 1: Write the proportion equation
   140,290,075.17 : 193,607,051.50 = 77,565,012.48 : x
2. Step 2: Convert to fraction form
   140,290,075.17/193,607,051.50 = 77,565,012.48/x
3. Step 3: Cross multiply
   140,290,075.17x = 193,607,051.50 × 77,565,012.48
4. Step 4: Simplify right side
   140,290,075.17x = 15,017,133,365,425,678
5. Step 5: Solve for x
   x = 15,017,133,365,425,678/140,290,075.17
6. Step 6: Final answer
   x = 107,043,447.99